276 INBREEDING AND OUTBREEDING 



188 RoMMELL^ G. M. : The Fecundity of Poland-China aiid Duroc-Jersey 

 Sows. Cir. 95, U. S. Dept. Agr., Bur. An. Ind., 1906, pp. 12. 



ii89 RoMMELL^ G. M. : The Inheritance of Size of Litter in Poland- 

 China Sows. Amer. Breed. Assn. Rpt., 1907, v, 201-208. 



190 RoMMELL^ G. M., and Phillips^ E. F. : Inheritance in the Female 



Line of Size of Litter in Poland-China Sows. Proc. Amer. Phdl. 

 Soc, 1906, xlv, 245-254. 



191 Sageret, a. : Considerations snr la production des hyb rides, des 



variantes et des varietes en general, et sur celles de la famille de 

 Cucurbitacees en particulier Ann. des Sci. Nat., 1826, viii, 294- 

 314. 



192 Shamel^ a. D. : The Effects of Inbreeding in Plants. Yearbook 



U. S. Dept. Agr., Washing1)on, 1905, pp. 377-392. 



193 Shull_, G. H. : The Composition of a Field of Maize. Amer. Breed. 



Assn. Rpt., 1908, iv, 296-301. 



194 Shull_, G. H. : A Pure Line Method of Com Breeding. Amer. 



Breed. Assn. Rpt., 1909, v, 51-59. 



195 Shull^ G. H. : Hybridization Methods in Corn Breeding. Amer. 



Breed. Mag., 1910, i, 98-107. 



196 Shull, G. H. : The Genotypes of Maize. Amer. Nat., 1911, xlv, 



234-252. 



197 Shull, G. H. : Duplicate Genes for Capsule Form in Bursa hursa- 



pastoris. Zeitschr. f. ind. Ahst. u. Vererh., 1914, xii, 97-149. 



198 Shull, a. F. : The Influence of Inbreeding on Vigor in Hydatina 



senta. Biol. Bull., 1912, xxiv, 1-13. 



199 Shull^ a. F. : Studies in the Life Cycle of Hydatina senta. III. 



Jour. Exp. Zool., 1912, xii, 283-317. 



200 Strasburger^ E. : Versuche mit diocischen Pflanzen in Riicksioht 



auf Geschlechtsverteilung. Biol. Centralbl., 1900, xx, 657. 



201 Strasburger^ E. : Ueber geschlechtbestimmende Ursachen. Jahrb. 



Wiss. Bot., 1910, xlviii, 427-520. 



202 Sturtevant^ A. H. : The Linear Arrangement of Six Sex-linked 



Factors in Drosophila, as Shown by Their Mode of Association. 

 Jour. Exp. Zool, 1913, xiv, 43-59. 



203 Sturtevant, A. H. : The Behavior of the Chromosomes as Studied 



through Linkage. Zeitschr. f. ind. Ahstam. u. Vererh., 1915, xiii, 

 234-287. 



204 Surface, F. M. : Fecundity in Swine. Biometrika, 1909, vi, 433-436. 



205 Toyama, K. : Mendel's Law of Heredity as Applied to Silkworm 



Crosses. Biol. Chi, 1906, xxvi, 321-334. 



206 VoisiN, A. : Contribution a Fhistoire des manages entre oonsangnins. 



Compt. rend. Acad. Sci., 1865, Ixv, 105-108. 



